Examples with TableInformation org.apache.ignite.internal.processors.query.TableInformation used on opensource projects

Example 1 with TableInformation

use of org.apache.ignite.internal.processors.query.TableInformation in project ignite by apache.

the class IgniteH2Indexing method tablesInformation.

/**
 * {@inheritDoc}
 */
@Override
public Collection<TableInformation> tablesInformation(String schemaNamePtrn, String tblNamePtrn, String... tblTypes) {
    Set<String> types = F.isEmpty(tblTypes) ? Collections.emptySet() : new HashSet<>(Arrays.asList(tblTypes));
    Collection<TableInformation> infos = new ArrayList<>();
    boolean allTypes = F.isEmpty(tblTypes);
    if (allTypes || types.contains(TableType.TABLE.name())) {
        schemaMgr.dataTables().stream().filter(t -> matches(t.getSchema().getName(), schemaNamePtrn)).filter(t -> matches(t.getName(), tblNamePtrn)).map(t -> {
            int cacheGrpId = t.cacheInfo().groupId();
            CacheGroupDescriptor cacheGrpDesc = ctx.cache().cacheGroupDescriptors().get(cacheGrpId);
            // We should skip table in case regarding cache group has been removed.
            if (cacheGrpDesc == null)
                return null;
            GridQueryTypeDescriptor type = t.rowDescriptor().type();
            IndexColumn affCol = t.getExplicitAffinityKeyColumn();
            String affinityKeyCol = affCol != null ? affCol.columnName : null;
            return new TableInformation(t.getSchema().getName(), t.getName(), TableType.TABLE.name(), cacheGrpId, cacheGrpDesc.cacheOrGroupName(), t.cacheId(), t.cacheName(), affinityKeyCol, type.keyFieldAlias(), type.valueFieldAlias(), type.keyTypeName(), type.valueTypeName());
        }).filter(Objects::nonNull).forEach(infos::add);
    }
    if ((allTypes || types.contains(TableType.VIEW.name())) && matches(QueryUtils.SCHEMA_SYS, schemaNamePtrn)) {
        schemaMgr.systemViews().stream().filter(t -> matches(t.getTableName(), tblNamePtrn)).map(v -> new TableInformation(QueryUtils.SCHEMA_SYS, v.getTableName(), TableType.VIEW.name())).forEach(infos::add);
    }
    return infos;
}